Read the given flow chart and identify the animals,W, X, Y and Z.
| W | X | Y | Z | |
| A | Asian elephant | Penguin | Kangaroo rat | Red-eyed frog |
| B | Polar bear | Siberian crane | Camel | Toucan |
| C | Fennec | Arctic tern | Giant panda | Orangutan |
| D | Jaguar | Swallow | Ground squirrel | Sloth |